/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.streaming.test.exampleJavaPrograms.windowing;

import org.apache.flink.streaming.examples.windowing.WindowWordCount;
import org.apache.flink.streaming.util.StreamingProgramTestBase;
import org.apache.flink.test.testdata.WordCountData;

public class WindowWordCountITCase extends StreamingProgramTestBase {

	protected String textPath;
	protected String resultPath;
	protected String windowSize = "250";
	protected String slideSize = "150";

	@Override
	protected void preSubmit() throws Exception {
		textPath = createTempFile("text.txt", WordCountData.TEXT);
		resultPath = getTempDirPath("result");
	}

	@Override
	protected void postSubmit() throws Exception {
		// since the parallel tokenizers might have different speed
		// the exact output can not be checked just whether it is well-formed
		// checks that the result lines look like e.g. (faust, 2)
		checkLinesAgainstRegexp(resultPath, "^\\([a-z]+,(\\d)+\\)");
	}

	@Override
	protected void testProgram() throws Exception {
		WindowWordCount.main(new String[]{
				"--input", textPath,
				"--output", resultPath,
				"--window", windowSize,
				"--slide", slideSize});
	}
}
